Difenoconazole dispersible oil suspending agent and preparation method and application thereof
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A technology of difenoconazole and oil suspension, which is applied in the direction of botany equipment and methods, applications, biocides, etc., and can solve the problems of weak fruit control effect, reduced drug dosage and partial control effect, etc.
Inactive Publication Date: 2017-09-19
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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Problems solved by technology
[0006] For this reason, the technical problem to be solved by the present invention is to provide a kind of difenoconazole dispersible oil suspension concentrate, to solve the weak fruit control effect of difenoconazole dispersible oil suspension concentrate in the prior art and reduce dosage The problem of anti-efficiency deviation
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Embodiment 1
[0020] The difenoconazole dispersible oil suspension concentrate described in the present embodiment, its preparation raw material comprises:
[0021] Difenoconazole original drug: 210.5g of difenoconazole original drug with a purity of 95%;
[0022] Nonionic surfactant: 70 grams of mixture of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer, dehydrated The mass ratio of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer is 3:2:2;
[0023] Anionic surfactant: calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate 30g, the mass ratio of calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate is 1:1;
[0024] Co-surfactant: 40g of a mixture of isopropanol and octanol, the mass ratio of isopropanol to octanol is 2:1;
[0025] Adhesive absorption promoter, a mixture...
Embodiment 2
[0030] The difenoconazole dispersible oil suspension concentrate described in the present embodiment, its preparation raw material comprises:
[0031] Difenoconazole technical: 157.9 g of difenoconazole with a purity of 95%;
[0032] Nonionic surfactant: 70 grams of mixture of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer, dehydrated The mass ratio of sorbitan oleate polyoxyethylene ether, triphenylethylphenol polyoxypropylene polyoxyethylene block polymer (polyether) and acrylic acid graft copolymer is 5:4:4;
[0033] Anionic surfactant: calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate 30g, the mass ratio of calcium dodecylbenzenesulfonate and alkylnaphthalenesulfonate is 1:1;
[0034] Co-surfactant: 40g of a mixture of isopropanol and octanol, the mass ratio of isopropanol to octanol is 2:1;
[0035] Adhesive absorption promoter, a mixture of polyoxyethyle...
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Abstract
The invention belongs to the technical field of pesticide formulation processing and particularly relates to a difenoconazole dispersible oil suspending agent and a preparation method and application thereof. The oil suspending agent is prepared by original difenoconazole, nonionic surfactant, anionic surfactant, cosurfactant, an adhering absorption enhancer, a stabilizer, an enzyme modifier and a dispersion medium. The dispersible oil suspending agent has the advantages that the adhering absorption enhancer and the enzyme modifier are added on the basis of existing raw materials for preparing the oil suspending agent to perform product modification, added catalase and / or cellulase can helpfully well modify the polymerization and suspending and dispersion conditions of the product formulation, the prepared oil suspending agent is good in suspending performance, the release effect of the effective components of the oil suspending agent is good, and the oil suspending agent is good in preventing effect on diseases and pests; in addition, the polyglutamic acid is preferably added into the oil suspending agent to serve as the preparation raw material, the suspending performance and pesticide effect of the oil suspending agent can be further increased, and a good modification effect is achieved.
Description
technical field [0001] The invention belongs to the technical field of pesticide formulation processing, in particular to a difenoconazole dispersible oil suspension, and further discloses its preparation method and application. Background technique [0002] Difenoconazole is a broad-spectrum and high-efficiency fungicide, which mainly inhibits the biosynthesis of ergosterol in pathogen cells, thereby destroying the structure and function of cell membranes. It is mainly used in fruit trees, vegetables, wheat, potatoes, beans, melons and other crops , It has very good protective and therapeutic effects on various fungal diseases such as vegetables and melons and fruits. It is a highly active and water-insoluble organic compound. It must be added with auxiliary components such as carriers, fillers, emulsifiers and dispersants, and formulated into various types of preparations to facilitate field application. The currently registered formulations mainly include emulsifiable con...
Claims
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Application Information
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